Type "Invest" plus "type of tech" plus "amount of cash". I.e. "Invest land_tech 20000" = $20,000 invested in land lechnology

Code - Effect

advisor_arrived_tech - (insert number) of cash invested in advisory
land_tech - (insert number) of cash invested in and technology
country_morale_tech - (insert number) of cash invested in country morale
current_tech - (insert number) of cash invested in curren technology
government_tech - (insert number) of cash invested in government technology
ledger_goverment_tech - (insert number) of cash invested in ledger government
ledger_naval_tech - (insert number) of cash invested in ledger naval
ledger_production_tech - (insert number) of cash invested in ledger production
naval_tech - (insert number) of cash invested in naval technology
production_tech - (insert number) of cash invested in production technology
trade_tech - (insert number) of cash invested in trade technology